????????????linux??????п?????????????????????????????????????????м???????????????????raid????????????????raid??????????????????????????????????????????????????????????μ??????????raid???????????汾??????????????????????????????????????????sata/ssd???????????????????????????
????????????????????????ν??????????????????????????????????????????????????udevinfo(centos5)????udevadm(centos6)??????????豸???????豸???????????????????????????????????豸?????/dev/????????slot0???????????豸????????5???????????slot0-4????5???豸????????????????????Щ?????????ok??????????￡?
#!/bin/bash
#set -x
function get_release()
{
while read i
do
release=`echo "$i" |grep"release" |awk '{print $3;}'`
main_version=${release:0:1}
if [ ! -z $main_version ]
then
echo $main_version
return 0
fi
done < "/etc/redhat-release"
return 1
}
function get_id_serial()
{
device=$1;
if [ -z "$device" ]
then
return -1
fi
device=`basename $device`
main_version=`get_release`
if [ $? -ne 0 ]
then
echo "get centos release versionerror" 1>&2
return $?
fi
case $main_version in
"5" ) cmd="/usr/bin/udevinfo-q all -n $device" ;;
"6" ) cmd="/sbin/udevadminfo --query=all --name=$device" ;;
esac
ID_SERIAL=$( $cmd |grep"ID_SERIAL=" |awk -F '=' '{print $2;}')
if [ -z $ID_SERIAL ]
then
return 1
fi
echo -n "$ID_SERIAL"
return 0
}
diskctl_config="/etc/udev/rules.d/99-hd.rules"
rm -rf $diskctl_config
diskctl_db="/usr/diskctl/diskctl.db"
rm -rf $diskctl_db
mkdir -p /usr/diskctl
touch $diskctl_db
index=0
for i in /dev/sd*[a-z]
do
device=`basename $i`
ID_SERIAL=`get_id_serial $i`
if [ $? -ne 0 ]
then
echo "FATAL: get ID_SERIAL error" 1>&2
exit 1
fi
slot=`printf "slot%02d"  $index`
echo"KERNEL=="sd*[a-z]"??ACTION=="add"??ENV{ID_SERIAL}=="$ID_SERIAL"??SYMLINK+="$slot"">> $diskctl_config
echo"KERNEL=="sd*[0-9]"??ACTION=="add"??ENV{ID_SERIAL}=="$ID_SERIAL"??SYMLINK+="$slot-part%n"">> $diskctl_config
echo"KERNEL=="sd*[a-z]"??ACTION=="remove"??ENV{ID_SERIAL}=="$ID_SERIAL"??RUN+="/bin/rm-f /dev/$slot /dev/$slot-part*"" >> $diskctl_config
echo "#split$ID_SERIAL#############################" >> $diskctl_config
ID_SN=`smartctl -i $i 2>/dev/null |grep"Serials*number" -i |awk '{print $3;}'`
if [ -z "$ID_SN" ]
then
ID_SN="error"
fi
echo "$slot $ID_SERIAL $ID_SN"  >> $diskctl_db
((index=index+1))
Done
/sbin/udevcontrolreload_rules
/sbin/start_udev
/etc/fstab????????????????????????
/dev/slot02    /data02   ext4   defaults        0 0
/dev/slot03    /data03   ext4   defaults        0 0
/dev/slot04    /data04   ext4   defaults        0 0